Prior to being banned in 2002 by the McCain-Feingold Act, unlimited monetary contributions that were earmarked for party-building expenses at the grassroots level or for generic party advertising were known as __________

Investigators have recently noted that when the smell ability of older and younger adults is compared, older adults may lose smell sensitivity when they are on medication, not because of age

In this research, the comparison of young and old adults involves an independent variable that is a. a manipulated variable. b. a participant variable. c. a situational variable. d. a task variable.

Which of the following is true of the acquisition of nuclear weapons by terrorists or nonstate actors?

a. Although unsuccessful in constructing a nuclear weapon, it has been proven that al-Qaeda has acquired reasonable amounts of fissile material. b. The fall of the Soviet Union has made the acquisition of nuclear material by terrorist groups more difficult. c. The IAEA regularly inspects both state and nonstate nuclear weapons facilities. d. The basic fissile material, infrastructure, and technical expertise required to develop a nuclear weapon is very difficult to muster.